updated Paleobiology refs for 2007 and 2008 papers by Foote (two), Patzkowsky and Holland, Krug and Patzkowsky, and Peters and Ausich
updated Paleobiology refs for 2007 and 2008 papers by Foote (two), Patzkowsky and Holland, Krug and Patzkowsky, and Peters and Ausich

paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new